planets
There is no atmosphere for the solar system, space has no air
No indeed. The moon Titan has a nitrogen-rich atmosphere which contains a little bit of methane. Titan is the only moon in the solar system to have an atmosphere!
The Solar System contains the Earth-Moon system. The Milky Way galaxy contains the Solar System. The Virgo supercluster contains the Milky Way galaxy. The Universe contains the Virgo supercluster.
Mercury has no atmosphere.
the solar system contains satellites that provide "solar power"
Titan, the largest moon of Saturn, has the most substantial atmosphere in our solar system.
But ... there are many bodies in our Solar system that have no atmosphere.
The atmosphere on Neptune contains helium and hydrogen with some traces of water, methane and ammonia. The atmosphere is similar to the large planets of the Solar System, but has a larger proportion of ice.
The atom and the solar system are not equal. The solar system contains the sun and the other planets.
A galaxy CONTAINS a solar system, meaning, a solar system is inside a galaxy
The planets, except for mercury it has no atmosphere
Carbon dioxide traps the heat in the atmosphere of Venus and prevents it from escaping in to space (Venus contains a great amount of Co2 in its atmosphere). That's why, Venus is known as the hottest planet in the Solar System.